About: http://webisa.webdatacommons.org/415150517

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	>>>> Semanitc Sitemaps seemed like a good idea because it was a very simple extension to standard XML Sitemaps, which are a widely adopted format supported by Google and other major search engines.
http://www.w3.org/ns/prov#wasQuotedFrom	w3.org